import Vue from 'vue'
import VueRouter from 'vue-router'
import login from '.././components/login.vue'
import home from '.././components/home.vue'
import welcome from '../components/welcome.vue'
import user from '../components/user/users.vue'
import rights from '../components/power/rights.vue'
import roles from '../components/power/roles.vue'
import cate from '../components/goods/cate.vue'
import params from '../components/goods/params.vue'
import list from '../components/goods/list.vue'
import add from '../components/goods/add.vue'
import order from '../components/order/order.vue'
import report from '../components/report/report.vue'

Vue.use(VueRouter)

const routes = [
  // { path: '/', redirect: '/login' },
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: login
  },
  {
    path: '/home',
    component: home,
    redirect: '/welcome',
    children: [{
      path: '/welcome',
      component: welcome
    }, {
      path: '/users',
      component: user
    }, {
      path: '/rights',
      component: rights
    }, {
      path: '/roles',
      component: roles
    }, {
      path: '/categories',
      component: cate
    }, {
      path: '/params',
      component: params
    }, {
      path: '/goods',
      component: list
    }, {
      path: '/goods/add',
      component: add
    }, {
      path: '/orders',
      component: order
    }, {
      path: '/reports',
      component: report
    }]
  }
]
const router = new VueRouter({
  routes
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 从哪个路径来
  // next 函数，表示放行 next()放行  next('/login')强制跳转
  // 如果将要访问login，直接放行
  if (to.path === '/login') return next()
  // 获得token
  const tokenStr = window.sessionStorage.getItem('token')
  // 没有token，强制跳转到login
  if (!tokenStr) return next('/login')
  // 有token，放行
  next()
})
export default router
